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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. THOMAS J. FIENE M.D.
NPI 1992977573
Internal Medicine in Menlo Park, CA

Active since March 24, 2008
1300 CRANE ST, MENLO PARK, CA 94025(650) 724-8000(650) 324-9174 Get Directions Write a Review

NPPES record last updated: August 2, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Thomas J. Fiene M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS J. FIENE M.D. (NPI 1992977573) is an individual internal medicine provider in Menlo Park, California, licensed in California (G7699) and active in the NPI registry since March 2008.

NPPES Registry Identity

NPI1992977573
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. THOMAS J. FIENECredential: M.D.
Location Address1300 CRANE STMenlo Park, CA 94025-4260
Mailing Address1300 Crane StMenlo Park, CA 94025-4260 · (650) 724-8000 · Fax (650) 324-9174
Phone(650) 724-8000
Fax(650) 324-9174
Sole ProprietorNo
Enumeration DateMarch 24, 2008
Last NPPES UpdateAugust 2, 2026
✔ NPI 1992977573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G7699
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1300 CRANE ST, Menlo Park, CA 94025
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JODIE LYNN PORGES RR, CDE
Dietitian, Registered
1300 CRANE ST
MENLO PARK, CA 94025
San Mateo County (650) 498-6500
LAURA ANDEEN CHIANG MD
Pediatrics
1300 CRANE ST
MENLO PARK, CA 94025
San Mateo County (650) 498-7489
VICTORIA Y CHEN MD
Internal Medicine
1300 CRANE ST
MENLO PARK, CA 94025
San Mateo County (650) 498-6500
DR. ANJALI SHAH M.D.
Radiology (Diagnostic Radiology)
1300 CRANE ST
MENLO PARK, CA 94025
San Mateo County (888) 924-1036
DR. EILEEN V. MOY MD
Internal Medicine
1300 CRANE ST
MENLO PARK, CA 94025
San Mateo County (650) 498-6166
CAROLYN MARGARET SENGER MD, MPH
Preventive Medicine (Public Health & General Preventive Medicine)
1300 CRANE ST
MENLO PARK, CA 94025
San Mateo County (650) 498-7489
JEAN KARYN WALTUCH MD
Internal Medicine
1300 CRANE ST
MENLO PARK, CA 94025
San Mateo County (650) 498-6500
LORNA MARIE THORNTON MD
Internal Medicine
1300 CRANE ST
MENLO PARK, CA 94025
San Mateo County (650) 498-6500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Fiene's NPI number?

The NPI number for Thomas Fiene is 1992977573. It was assigned to this individual provider in the NPPES registry on March 24, 2008.

Where is Thomas Fiene located?

Thomas Fiene practices at 1300 Crane St, Menlo Park, CA 94025. The listed phone number is (650) 724-8000.

What is Thomas Fiene's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Thomas Fiene was last updated on August 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.